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Cisco Bug: CSCvh90650 - IPv6 ping drop after vpnmgr task restart

Last Modified

May 16, 2019

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases 21.3.12 21.7.0

Description (partial)

IPv6 traffic outage happens when vpnmgr task restarts after ICSR switchover.

The outage happens when the following sequence of events happen with  4 BGP peers ( 4 Peers for IPv4 and 2 Peers for IPv6)

1. Make an ipv6 call
2. ICSR switchover 
3. Vpnmgr  task restart on SGI context
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